Wow, thanks for the heads up Matzon. I didn't realize there was such a mature 3d platform for Java.

This topic reminded me of Ogre. I hadn't looked at it in a while now so I took a peek. I might get yelled at for proposing something JNI-based, but Ogre3d has a Java bridge by way of http://ogre4j.sourceforge.net/

Please excuse my pessimism. Both JME and Xith3d are excellent engines, I'm just pointing out the problems I've found with them. Are there any other engines I should take a look at?

TBH I doubt you'll find many other options. What do you need, that the existing engines can't deliver? I would think JME is mature enough for any non-bleeding-edge game and xith is small enough to fix bugs as you'll find them. Also if you really need "commercial" support, I am a freelance programmer, so hire me If you really book comercial support we would branch a version just for you...

2.5D can also be used to refer to games such as Doom, with 3D environment but 2D characters. Also it can be used to refer games where the graphics are rendered in 3D, but the player movement is restricted to 2D, for example as in Super Smash Bros. Some more usages: http://en.wikipedia.org/wiki/2.5D

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